Mr. Saitō Yasuo, better known by his stage name Sakurazuka Yakkun (桜塚やっくん), a comedian and singer from Yokohama, Kanagawa, passed away from heart rupture in Mine, Yamaguchi. He was 37 years old.桜塚やっくんとして知られるお笑い芸人の斎藤恭央氏が、心臓破裂のため山口県美祢市内で死去。神奈川県横浜市出身。享年37。...